Description
The Rheem-Ruud AS-104123-45 is an OEM-specification burner assembly designed for 90% AFUE natural gas furnaces. Engineered as a direct replacement, this 7-burner assembly restores proper combustion performance and helps maintain peak heating efficiency in compatible Rheem and Ruud residential and light-commercial furnace systems.
Product Overview
This burner assembly is purpose-built for high-efficiency, 90% AFUE natural gas furnace applications. The 7-burner configuration ensures even heat distribution across the heat exchanger, supporting consistent and reliable operation. As a genuine Rheem-Ruud replacement part, it is manufactured to meet the original design tolerances of the equipment it serves.
Key Features
- OEM Rheem-Ruud replacement burner assembly
- Designed for 90% AFUE high-efficiency natural gas furnaces
- 7-burner configuration for balanced heat distribution
- Natural gas (NL) rated fuel type
- Direct-fit replacement for compatible Rheem and Ruud furnace models
- Supports reliable ignition and stable combustion performance
Application
- Compatible with select Rheem and Ruud 90% AFUE natural gas furnace models
- Intended for use by qualified HVAC technicians during furnace maintenance or repair
Specifications
- Part Number: AS-104123-45
- Brand: Rheem-Ruud
- Fuel Type: Natural Gas (NL)
- Furnace Efficiency: 90% AFUE
- Number of Burners: 7







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